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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/layers/picture_image_layer_impl.h" | 5 #include "cc/layers/picture_image_layer_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 | 8 |
9 #include "cc/debug/debug_colors.h" | 9 #include "cc/debug/debug_colors.h" |
10 #include "cc/trees/layer_tree_impl.h" | 10 #include "cc/trees/layer_tree_impl.h" |
11 | 11 |
12 namespace cc { | 12 namespace cc { |
13 | 13 |
14 PictureImageLayerImpl::PictureImageLayerImpl(LayerTreeImpl* tree_impl, int id) | 14 PictureImageLayerImpl::PictureImageLayerImpl(LayerTreeImpl* tree_impl, int id) |
15 : PictureLayerImpl(tree_impl, id) { | 15 : PictureLayerImpl(tree_impl, id) { |
16 } | 16 } |
17 | 17 |
18 PictureImageLayerImpl::~PictureImageLayerImpl() { | 18 PictureImageLayerImpl::~PictureImageLayerImpl() { |
19 } | 19 } |
20 | 20 |
21 const char* PictureImageLayerImpl::LayerTypeAsString() const { | 21 const char* PictureImageLayerImpl::LayerTypeAsString() const { |
22 return "cc::PictureImageLayerImpl"; | 22 return "cc::PictureImageLayerImpl"; |
23 } | 23 } |
24 | 24 |
25 scoped_ptr<LayerImpl> PictureImageLayerImpl::CreateLayerImpl( | 25 scoped_ptr<LayerImpl> PictureImageLayerImpl::CreateLayerImpl( |
26 LayerTreeImpl* tree_impl) { | 26 LayerTreeImpl* tree_impl) { |
27 return PictureImageLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); | 27 return PictureImageLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); |
28 } | 28 } |
29 | 29 |
| 30 void PictureImageLayerImpl::CalculateContentsScale( |
| 31 float ideal_contents_scale, |
| 32 float device_scale_factor, |
| 33 float page_scale_factor, |
| 34 float maximum_animation_contents_scale, |
| 35 bool animating_transform_to_screen, |
| 36 float* contents_scale_x, |
| 37 float* contents_scale_y, |
| 38 gfx::Size* content_bounds) { |
| 39 // CalculateRasterContentsScale always returns 1.f, so make that the ideal |
| 40 // scale. |
| 41 ideal_contents_scale = 1.f; |
| 42 PictureLayerImpl::CalculateContentsScale(ideal_contents_scale, |
| 43 device_scale_factor, |
| 44 page_scale_factor, |
| 45 maximum_animation_contents_scale, |
| 46 animating_transform_to_screen, |
| 47 contents_scale_x, |
| 48 contents_scale_y, |
| 49 content_bounds); |
| 50 } |
| 51 |
30 void PictureImageLayerImpl::GetDebugBorderProperties( | 52 void PictureImageLayerImpl::GetDebugBorderProperties( |
31 SkColor* color, float* width) const { | 53 SkColor* color, float* width) const { |
32 *color = DebugColors::ImageLayerBorderColor(); | 54 *color = DebugColors::ImageLayerBorderColor(); |
33 *width = DebugColors::ImageLayerBorderWidth(layer_tree_impl()); | 55 *width = DebugColors::ImageLayerBorderWidth(layer_tree_impl()); |
34 } | 56 } |
35 | 57 |
36 bool PictureImageLayerImpl::ShouldAdjustRasterScale( | 58 bool PictureImageLayerImpl::ShouldAdjustRasterScale( |
37 bool animating_transform_to_screen) const { | 59 bool animating_transform_to_screen) const { |
38 return false; | 60 return false; |
39 } | 61 } |
40 | 62 |
41 void PictureImageLayerImpl::RecalculateRasterScales( | 63 void PictureImageLayerImpl::RecalculateRasterScales( |
42 bool animating_transform_to_screen, | 64 bool animating_transform_to_screen, |
43 float maximum_animation_contents_scale) { | 65 float maximum_animation_contents_scale) { |
44 // Defaults from PictureLayerImpl. | 66 // Defaults from PictureLayerImpl. |
45 PictureLayerImpl::RecalculateRasterScales(animating_transform_to_screen, | 67 PictureLayerImpl::RecalculateRasterScales(animating_transform_to_screen, |
46 maximum_animation_contents_scale); | 68 maximum_animation_contents_scale); |
47 | 69 |
48 // Don't scale images during rastering to ensure image quality, save memory | 70 // Don't scale images during rastering to ensure image quality, save memory |
49 // and avoid frequent re-rastering on change of scale. | 71 // and avoid frequent re-rastering on change of scale. |
50 raster_contents_scale_ = std::max(1.f, MinimumContentsScale()); | 72 raster_contents_scale_ = std::max(1.f, MinimumContentsScale()); |
51 // We don't need low res tiles. | 73 // We don't need low res tiles. |
52 low_res_raster_contents_scale_ = raster_contents_scale_; | 74 low_res_raster_contents_scale_ = raster_contents_scale_; |
53 } | 75 } |
54 | 76 |
55 void PictureImageLayerImpl::UpdateIdealScales() { | |
56 ideal_contents_scale_ = 1.f; | |
57 ideal_page_scale_ = 1.f; | |
58 ideal_device_scale_ = 1.f; | |
59 ideal_source_scale_ = 1.f; | |
60 } | |
61 | |
62 } // namespace cc | 77 } // namespace cc |
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